gpgme/tests/gpg/t-decrypt.c

/* t-decrypt.c - Regression test.
   Copyright (C) 2000 Werner Koch (dd9jn)
   Copyright (C) 2001, 2003 g10 Code GmbH

   This file is part of GPGME.
 
   GPGME is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
 
   GPGME is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with GPGME; if not, write to the Free Software Foundation,
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

/* We need to include config.h so that we know whether we are building
   with large file system (LFS) support. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>

#include <gpgme.h>

#include "t-support.h"


int 
main (int argc, char *argv[])
{
  gpgme_ctx_t ctx;
  gpgme_error_t err;
  gpgme_data_t in, out;
  gpgme_decrypt_result_t result;
  const char *cipher_1_asc = make_filename ("cipher-1.asc");
  char *agent_info;

  init_gpgme (GPGME_PROTOCOL_OpenPGP);

  err = gpgme_new (&ctx);
  fail_if_err (err);

  agent_info = getenv("GPG_AGENT_INFO");
  if (!(agent_info && strchr (agent_info, ':')))
    gpgme_set_passphrase_cb (ctx, passphrase_cb, NULL);

  err = gpgme_data_new_from_file (&in, cipher_1_asc, 1);
  fail_if_err (err);

  err = gpgme_data_new (&out);
  fail_if_err (err);
  
  err = gpgme_op_decrypt (ctx, in, out);
  fail_if_err (err);
  result = gpgme_op_decrypt_result (ctx);
  if (result->unsupported_algorithm)
    {
      fprintf (stderr, "%s:%i: unsupported algorithm: %s\n",
	       __FILE__, __LINE__, result->unsupported_algorithm);
      exit (1);
    }
  print_data (out);
   
  gpgme_data_release (in);
  gpgme_data_release (out);
  gpgme_release (ctx);
  return 0;
}